URL Encode/Decode
Encode or decode URLs and query strings with proper percent-encoding.
Ctrl+Enter to encode
Frequently Asked Questions
Related Tools
What is URL Encode/Decode?
URL Encode/Decode is a free online tool that encode or decode urls and query strings with proper percent-encoding. It runs entirely in your browser using JavaScript — no data is uploaded to any server, ensuring your information stays private and secure. Whether you are working on a quick one-off task or integrating into your regular development workflow, this tool provides instant results without requiring any installation, sign-up, or configuration.
Unlike traditional desktop software or cloud-based services, our url encode/decode processes everything locally on your device. This means zero latency, no file size limits, and complete privacy. It is ideal for developers, content creators, and professionals who need reliable results without compromising on data security.
Key Features
Bidirectional
Encode or decode URLs in both directions with a single toggle.
Partial Encoding
Choose to encode the full URL or only query parameters.
Real-Time Preview
See changes live, character by character, as you type or paste.
Safe Characters
Properly handles unreserved characters vs reserved characters per RFC 3986.
Common Use Cases
URL Encode/Decode is useful in a variety of scenarios across different workflows:
Encoding special characters for URL query parameters
Debugging malformed URLs with improper encoding
Preparing URLs for use in API requests and redirects
Tips & Best Practices
Encode parameter values separately
Always encode individual query parameter values, not the entire URL at once. Use encodeURIComponent for values and encodeURI for the full URL.
Watch for double encoding
If a URL already contains percent-encoded characters, encoding it again will encode the % signs. Check if your input is already encoded before processing.
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Related Guides & Articles
Deepen your knowledge with these text guides and tutorials: